This issue has been fixed in the latest
version. https://github.com/influxdata/kapacitor/pull/510
On Tuesday, September 6, 2016 at 9:52:26 AM UTC-6, Jun Zhang wrote:
>
> kapacitor RPM info:
>
> Name : kapacitor
> Arch : x86_64
> Version : 0.13.1
> Release : 1
> Size : 41 M
> Repo : installed
> From repo : /kapacitor-0.13.1.x86_64
> Summary : Time series data processing engine
> URL : github.com/influxdata/kapacitor
> License : MIT
> Description : Time series data processing engine
>
>
> TICKscript
>
> var ping_statistic = stream
> |from()
> .database('netbench')
> .retentionPolicy('default')
> .measurement('ping_statistic')
> .groupBy('hostName', 'isp', 'province')
> |window()
> .period(1m)
> .every(1m)
>
> var avgLoss = ping_statistic
> |last('avgLoss')
> .as('avgLoss')
>
> avgLoss
> |alert()
> .crit(lambda: "avgLoss" > 5)
> .log('/tmp/alerts_loss.log')
>
> kapacitor log
>
> [httpd] 2016/09/06 23:38:04 I! 10.160.109.152 - - [06/Sep/2016:23:38:04
> +0800] GET /kapacitor/v1/tasks/alert_netbench HTTP/1.1 200 5974 -
> curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.21 Basic ECC
> zlib/1.2.3 libidn/1.18 libssh2/1.4.2 e7153ecb-7447-11e6-8014-000000000000
> 6.812757ms
> [alert_netbench:last3] 2016/09/06 23:39:03 E! failed to aggregate batch:
> field avgLoss missing from point cannot aggregate
>
> panic message:
>
> panic: runtime error: invalid memory address or nil pointer dereference
> [signal 0xb code=0x1 addr=0x0 pc=0x5f5375]
>
> goroutine 184 [running]:
> panic(0xca0ec0, 0xc820010100)
> /usr/local/go/src/runtime/panic.go:481 +0x3e6
>
> github.com/influxdata/kapacitor/vendor/github.com/influxdata/influxdb/influxql.(
>
> *FloatFuncReducer).Emit(0xc8202d5490, 0x0, 0x0,
> 0x0)/root/go/src/github.com/influxdata/kapacitor/vendor/github.com/influxdata/influxdb/influxql/functions.gen.go:68
>
> <http://github.com/influxdata/kapacitor/vendor/github.com/influxdata/influxdb/influxql/functions.gen.go:68>
>
> +0xa5github.com/influxdata/kapacitor.(
> <http://github.com/influxdata/kapacitor.(>*floatPointEmitter).EmitPoint(0xc820b40510,
>
> 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
> /root/go/src/github.com/influxdata/kapacitor/influxql.gen.go:166 +0x78
> github.com/influxdata/kapacitor.(
>
> *InfluxQLNode).emit(0xc8200e5000, 0x7f3596286140, 0xc820b404e0, 0x0,
> 0x0)/root/go/src/github.com/influxdata/kapacitor/influxql.go:185
> <http://github.com/influxdata/kapacitor/influxql.go:185>
> +0x90github.com/influxdata/kapacitor.(
> <http://github.com/influxdata/kapacitor.(>*InfluxQLNode).runBatchInfluxQL(0xc8200e5000,
>
> 0x0, 0x0)
> /root/go/src/github.com/influxdata/kapacitor/influxql.go:162 +0x62c
> github.com/influxdata/kapacitor.(
>
> *InfluxQLNode).runInfluxQLs(0xc8200e5000, 0x0, 0x0, 0x0, 0x0,
> 0x0)/root/go/src/github.com/influxdata/kapacitor/influxql.go:42
> <http://github.com/influxdata/kapacitor/influxql.go:42>
> +0x83github.com/influxdata/kapacitor.(
> <http://github.com/influxdata/kapacitor.(>*InfluxQLNode).(
> github.com/influxdata/kapacitor.runInfluxQLs)-fm(0x0, 0x0, 0x0, 0x0, 0x0)
> /root/go/src/github.com/influxdata/kapacitor/influxql.go:33 +0x4c
> github.com/influxdata/kapacitor.(
>
> *node).start.func1(0xc8200e5000, 0x0, 0x0,
> 0x0)/root/go/src/github.com/influxdata/kapacitor/node.go:128
> <http://github.com/influxdata/kapacitor/node.go:128> +0x7fcreated by
> github.com/influxdata/kapacitor.(
> <http://github.com/influxdata/kapacitor.(>*node).start
> /root/go/src/github.com/influxdata/kapacitor/node.go:129 +0x53
>
--
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